<html xmlns="http://www.w3.org/1999/xhtml">
<head>
</head>
<body onload='document.getElementById("x").style.letterSpacing = "20px";'>

<div style="-moz-column-count: 15;" id="x"><span>AAA
<div style="float: left;">BBBB<div>CCCC</div></div></span></div>

</body>
</html>
